In the internal structure of lithium batteries, there is a seemingly insignificant key component that plays a decisive role in battery performance and safety - the lithium battery separator. From the appearance, it is just a thin film, with a thickness usually ranging from a few micrometers to tens of micrometers, resembling a fraction of a human hair. However, its interior is full of hidden wonders, filled with a dense array of micro-pores with diameters at the nanometer level, which form a unique microstructure. The main functions of lithium battery separators are twinning: Firstly, they act as a "physical barrier" between the positive and negative electrodes. By virtue of their non-conductive nature, they effectively prevent direct contact between the positive and negative electrodes, avoiding short circuits and laying a solid foundation for the safe operation of the battery. Secondly, it is a dedicated "high-speed channel" for lithium ions, allowing lithium ions in the electrolyte to freely shuttle between the positive and negative electrodes, ensuring the smooth progress of the battery's charging and discharging process. In simple terms, the separator is like a strict "traffic controller", allowing only lithium ions to pass through while keeping other "interfering factors" out. From the perspective of material, given that the electrolyte of lithium batteries is mostly an organic solvent system, this requires that the separator material must have good resistance to organic solvents. At present, the mainstream separator materials for lithium batteries are high-strength film-like polyolefin porous membranes, among which polyethylene (PE) and polypropylene (PP) microporous separators are the most widely used. PE diaphragms have relatively excellent low-temperature resistance and are relatively soft in texture. PP diaphragms are more heat-resistant, have a lower density than PE, and also have a higher melting point and closed-cell temperature. In practical applications, to meet the strict requirements for battery performance in different scenarios, people often combine PE and PP to create double or triple-layer composite separators, such as the common three-layer PP/PE/PP separator, which integrates the advantages of both materials and greatly enhances the comprehensive performance of the separator. Although lithium battery separators are small, they contain numerous advanced technologies and complex processes. They are one of the core components that ensure the efficient and safe operation of lithium batteries and play an indispensable role in promoting the vigorous development of the new energy industry.

Recently, the company a number of lithium battery production key equipment - lithium battery die-cutting machine, ultrasonic spot welding machine, vacuum pre-sealing machine, top side sealing machine and stacking machine, is orderly loading, will cross the mountains and seas, sent to the hands of foreign customers. Lithium battery die-cutting machine as the "star equipment" of this shipment, with its high-precision cutting technology, can control the electrode cutting error within a very small range, effectively improve the consistency and stability of battery production, to meet the customer's stringent requirements for high-quality batteries. Ultrasonic spot welding machine through ultrasonic vibration to achieve solid welding between metals, solid and beautiful solder joints, greatly improve the conductivity and safety of the battery, once launched, it has been favored in the international market. The vacuum pre-sealing machine provides a reliable guarantee for the battery packaging link, which can pre-pack the battery in a vacuum environment, effectively eliminate the internal air, prevent the battery from oxidizing during subsequent use, and extend the battery life. The top side sealing machine uses advanced heat sealing technology to ensure that the battery is tightly sealed and the risk of leakage is eliminated. With its efficient laminating speed and excellent laminating accuracy, the laminating machine greatly improves the battery production efficiency, helps customers reduce production costs, and enhances market competitiveness. The successful shipment overseas is inseparable from the company's continuous investment in technology research and development and strict control of product quality. The company has set up a research and development team composed of senior experts and technical backbone in the industry to constantly explore innovation and optimize equipment performance. In the production process, the introduction of advanced production management system, each process for strict quality testing, to ensure that each equipment to meet the international first-class standards. All along, we uphold the "customer first, quality first" business philosophy, not only to provide customers with quality equipment, but also to provide a full range of after-sales service, timely response to customer needs, to solve customer worries. The smooth delivery of the equipment further deepened the company's cooperation with foreign customers, and laid a solid foundation for the future in-depth expansion in the international market.

Winder: Precision craftsman for battery molding The winding machine is the core equipment that makes the positive and negative electrode sheet and diaphragm wind into cell in a specific sequence during the manufacture of lithium battery. Its winding precision is very important, which directly affects the internal structure and performance consistency of the cell. With the development of technology, today's winding machines are moving in the direction of high speed, high precision and intelligence. The new winding machine adopts advanced tension control technology, which can accurately adjust the tension of the positive and negative electrode sheet and diaphragm during the winding process, ensure that the winding is tight and uniform, avoid wrinkles, dislocation and other problems, so as to effectively improve the energy density and safety of the cell. Coater: key equipment for electrode coating The coating machine is responsible for uniformly coating the positive and negative electrode materials on the collector fluid, and its coating quality has a decisive influence on the charge-discharge performance and life of the battery. In recent years, the coating technology has been continuously innovated, from the traditional scraper coating to the slit coating, transfer coating and other more advanced methods. Slit coating technology has become the mainstream because of its high precision, high speed and good coating uniformity. It can precisely control the thickness and width of the coating, and the coating thickness deviation can be controlled within a very small range, so that the consistency of the electrode coating is greatly improved. At the same time, the intelligent degree of the coating machine is also improving, through the automatic control system, can realize the real-time monitoring and adjustment of the coating process, effectively improve the production efficiency and product quality stability. Key Manufacturing materials: Determinants of battery performance Positive electrode material The cathode material is the key material that determines the energy density and output voltage of the lithium battery. Common cathode materials are ternary materials (such as lithium nickel-cobalt manganate, lithium nickel-cobalt aluminate) and lithium iron phosphate. Ternary materials have a high energy density and can provide more powerful power output for batteries, which is suitable for fields such as electric vehicles with high mileage requirements. The lithium iron phosphate material, with its excellent safety, long cycle life and low cost advantages, occupies an important position in the field of energy storage and some cost-sensitive application scenarios. With the deepening of technology research and development, new cathode materials continue to emerge, such as the research and development of high-nickel ternary materials is committed to further improve the energy density, and the modification of lithium iron phosphate materials is focused on imp...

In today's era of rapid development of science and technology, lithium batteries, as an efficient and environmentally friendly energy storage equipment, have been widely used in various fields, from our daily use of smart phones, laptops, to electric vehicles, energy storage power stations, lithium batteries are everywhere. Its emergence has not only changed our way of life, but also injected a strong impetus into the energy revolution and sustainable development, all of which cannot be separated from advanced lithium battery manufacturing technology. Lithium battery manufacturing is a complex and delicate process involving several key links. The first is the preparation of raw materials, mainly including lithium, cobalt, nickel and other metal materials, as well as electrolyte, diaphragm and other auxiliary materials. The quality and purity of these raw materials directly affect the performance and safety of lithium batteries. For example, the quality of lithium ore determines the energy density of the battery, and high-purity lithium materials can make the battery store more electricity, thereby improving the battery life of the device. Electrode manufacturing is one of the core links of lithium battery manufacturing. By mixing the active material, conductive agent and binder to make a slurry, and then coating on the metal foil, after drying, rolling and other processes to form a specific performance of the electrode. The choice of cathode material plays a key role in the energy density and charge and discharge performance of the battery, and the common lithium cobalt acid, lithium iron phosphate, ternary materials and so on. Different cathode materials have advantages and disadvantages in performance, such as lithium cobalt oxide has a high energy density, but the cost is high and the safety is relatively low; Lithium iron phosphate is safe and low cost, but the energy density is less. The next is the cell assembly, the positive plate, the diaphragm, the negative plate in accordance with a certain sequence of stacking or winding up, into the battery case, and then injected the electrolyte, after sealing, formation and other processes, and finally formed a complete cell. In this process, the process accuracy and environmental requirements are extremely high, and any small impurities or defects may lead to reduced battery performance and even cause safety problems. In addition to the above basic processes, lithium battery manufacturing also continues to emerge new technologies and new processes. For example, the research and development of solid-state battery technology is expected to solve the safety hazards and energy density bottlenecks of traditional liquid lithium batteries. Solid-state batteries use solid-state electrolytes instead of traditional liquid electrolytes, which can significantly improve the safety and energy density of batteries, and provide new possibilities for the long-term development of electric vehicles. In addition, the ...

As the Spring Festival is approaching, we are about to usher in this traditional and grand festival. In order to let everyone fully feel the happy atmosphere of the festival and spend a good time with their families, the company now announces the 2025 Spring Festival holiday arrangement as follows: Holiday time: According to the relevant national regulations and combined with the actual situation of the company, the 2025 Spring Festival holiday time is: January 23, 2025 to February 4, 2025, a total of 13 days. February 5 (the eighth day of the first lunar month) officially work. On the occasion of the New Year, we would like to extend our best wishes to all our customers. I wish you and your family good health, smooth work, thriving career and happy family in the New Year! In the New Year, we will continue to adhere to the principle of "customer first, quality first", to provide our customers with better services and products. We will continue to work hard with you to create brilliant! If you have any business inquiries or needs, please feel free to contact us after the holiday. I wish a happy New Year!

The composition of lithium-ion batteries is more complex, mainly including positive/negative electrode plates, membranes, electrolytes, fluid collectors and binder, conductive agents, etc., involving reactions including electrochemical reactions of positive and negative electrodes, ionic and electronic conduction, and heat diffusion. The general process of lithium-ion battery manufacturing process is: the active substance, binder and conductive agent are mixed to prepare a slurry, and then coated on both sides of the copper or aluminum collector. After drying, the solvent is removed to form a dry electrode sheet. The electrode pellet coating is compacted and densified, and then cut or slitted. Then the positive/negative electrode sheet and the diaphragm are assembled into the battery cell, which is injected into the electrolyte after packaging, activated by charge and discharge, and finally formed the battery product. According to the shape of the core pack, it can be divided into square battery, cylindrical battery and soft battery, and the battery manufacturing process can be conventionally divided into three parts: the first part of the production process, the middle part of the assembly process and the last part of the test process. The production goal of the production section of the previous process is to complete the production of positive and negative pole pieces. Its process route includes pulping, coating, roll pressing, slitting, making, die cutting, and related equipment such as mixer, coating machine, roll press, slitting machine, making machine, die cutting machine, etc. The production goal of the assembly section of the middle process is to complete the manufacturing of the battery cell, and the technical route and production line equipment of the middle process of different types of lithium batteries are different. The essence of the middle process is the assembly process, specifically, the (positive and negative) pole sheet made by the previous process is assembled in an orderly manner with the diaphragm and electrolyte. Due to the different structure of square (roll), cylinder (roll) and soft pack (layer) batteries, there are obvious differences in the technical route and production line equipment of different types of lithium batteries in the middle process. Specifically, the main process of the middle process of the square and cylindrical battery is winding, liquid injection and packaging, and the equipment involved mainly includes winding machine, liquid injection machine, packaging equipment (shell machine, rolling slot machine, sealing machine, welding machine); The main process of the middle process of the soft pack battery includes lamination, liquid injection, packaging, and the equipment involved mainly includes lamination machine, liquid injection machine, packaging equipment, etc. The production goal of the latter process is to complete the formation and packaging. As of the middle process, the functional structure of...

Recently, the company welcomed the visit of Indian customers, and the two sides launched in-depth exchanges and discussions on further cooperation, which was carried out in a friendly and constructive atmosphere. After the Indian customers arrived at the company, the company representative gave them a warm welcome. Immediately, under the guidance of relevant personnel, customers began to visit the tour. The first entry is the company's product display area, where the company's various representative products are displayed.We introduced the features, functions and application fields of the products to the Indian customers one by one, and the customers listened very carefully, from time to time to pick up the products carefully, and put forward some practical application questions, such as the stability of the products under the special climate conditions in India, the staff gave detailed answers. After that, Indian customers came to the company's technology research and development center. The technical staff of the research and development center showed them some new technologies and project progress that the company is developing, and explained the company's concept and investment in technological innovation. The customers showed strong interest in the company's research and development strength, and the two sides exchanged views on topics such as the direction of technology research and development, how to optimize technology according to the needs of the Indian market, and the on-site discussion atmosphere was warm. After the visit, the two sides entered the business negotiation. The company introduced the company's overall business structure, market distribution and cooperation plan for the Indian market, including product supply plan, cooperation model discussion and market promotion strategy. The visit of the Indian customer has promoted mutual understanding between the two sides and laid a good foundation for future cooperation.we will work together with Indian customers, actively explore more cooperation opportunities, and strive to create more value for the cooperation and development of the two sides, and jointly open up a broader market space.

Recently, the company successfully issued a glove box, this battery glove box is the embodiment of the company's technical strength. It has excellent air tightness, and through special sealing technology, the oxygen content of the water in the box is strictly controlled at a very low level, creating a stable anhydrous and oxygen-free environment for the research and development of lithium batteries. Whether it is fine material synthesis experiment or accurate test of battery performance, it can effectively eliminate external interference and ensure the accuracy of experimental data. Its degree of intelligence is quite high, the operation panel is simple and easy to use. Researchers can easily control the parameters in the box, such as temperature, pressure, etc., and can also monitor the operating status of the equipment in real time to achieve remote operation and fault warning, which greatly improves the efficiency and safety of scientific research work. "This glove box will provide us with strong support on the road of battery technology innovation, helping us to break through the existing technical bottlenecks and develop more efficient and stable battery products," the customer said.